Pioneer DVR-231-S Service Manual page 72

1
QQ
3 7 63 1515 0
PCM1802DB1 (MAIN ASSY : IC3101)
• 24bit/96kHz Stereo ADC
A
Pin Layout
B
C
Block Diagram TE
L 13942296513
Single-End
1
V IN L
/Differential
Converter
D
3
V REF1
Reference
4
V REF 2
Single-End
2
V IN R
/Differential
Converter
E
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F
72
1
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2
V L 1
IN
V R 2
IN
V 1 3
REF
V 2 4
REF
5
V
CC
6
AGND
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
5th Order
Delta-Sigma
Modulator
5th Order
Delta-Sigma
Modulator
Power Supply
5 6 13 14
V CC AGND DGND V DD
x ao
y
. i
DVR-231-S
2
http://www.xiaoyu163.com
3
8
PCM1802
(TOP VIEW)
20 MODE1
19 MODE0
18 FMT1
17 FMT0
16
OSR
15
SCKI
14 V
DD
13 DGND
12 DOUT
11 BCK
Q Q
3 6 7 1 3
×1/64 (×1/128)
Decimation
Filter
with
High-Pass Filter
Clock and Timing Control
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
11
BCK
10
Serial
LRCK
Interface
9
FSYNC
12
DOUT
Mode/
17
Format
FMT0
Control 18
FMT1
19
MODE0
20
MODE1
8
BYPAS
14
OSR
7
PDWN
15
SCKI
m
co
4
9 9
2 8 9 9